1. Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
2. College of Biology Pharmacy & Food Engineering, Shangluo University, Shangluo, Shaanxi, China
3. Qinba Mountains of Bio-Resource Collaborative Innovation Center of Southern Shaanxi Province, Hanzhong, Shaanxi, China